Ore sintering machine



Sept. 27, 1932. D. N. MoRlsoN f y880146 ORE SINTERING MACHINE Filed Jan. 20. 1931 2 Sheets-Sheet l Sept. 27, 1932.

D. N. MORISON ORE SINTERING MACHINE Filed Jan. 20. 1931 2 Sheets-Sheet 2 Patented Sept. 27, 1932 UNITED STATES PATENT OFFICE can sIN'rnn-ING MACHINE Application led January 20, 1931, Serial No.

This invention relates to certain mechanism for carrying on the Dwight Lloyd process of treating ores or rather fines of ores wherein wheeled pallets (having a grate bot- 5 tom) containing the ore to be sintered are caused to travel along a continuous track and pass over a suction wind box having suction fans or the like to draw air into the box through the ore on the pallets the combustible w ingredients of which have been previously ignited to maintain combustion thereof. And this invention has been speciallydevised to enable simple adjustment of the various parts (if need be While the machine is in operation) to compensate for wear and* tear between the pallets and the wind box; and the invention has been further devised to provide a more effective mechanism than heretofore for preventing air leakage between the pallets side edges and the wind box so increasing the eiiciency 4of the draught through the ores; and the invention has been further devised to provide a simple pallet rail and wheel which will obviate side wobble of the pallets as they move along the track.

According to this invention the stationary frame of the machine has a travelling pallet slider or adjustable 4guide (between the pallet Y rails) on the wind box framing in sections 30 slidable transversely on said framing with adjusting mechanism for re lating the working space between the win box and thev pallet a longitudinal gland slot being provided in the meeting faces of the guide and 35 the framing wherein is inserted a packing (preferably asbestos packing).

The allets havesealing invertsdepending from t e sides thereof adapted to slidably fit against the side faces of the guides and atl the bottom to contact a sealing liner, say an asbestos tape bolted to the guides above a keeperplate.

But in order that this invention may-be readily carried into practical effect itl will now beldescribed with reference to the draw- 'end of the machine.

509,979, and in Australia January 20, 1930.

ings accompanying and forming part of this complete specification and wherein Fig. 1 is a perspective view of a fragment of a wind box with a skeleton pallet thereon. Fig. 2 is a section of the sealing liner. Fig. 3 is a section of one pallet rail with wheel thereon. Fig. 4 is a fragmentary section of a wind box and pallet of conventional construction to which this invention is adapted, while Fig. 5 is a view similar to Fig. 4 illustrating a slightly alternative embodiment ofthe invention.

The stationary frame 7 of the wind box section of the machine has-describing one side for simplicity, though both sides are preferably identical-a sole frame 8 bolted or otherwise alixed thereto and on this sole frame 8 is an adjustable guide 9 retained in position by bolts through elongated holes 10 homing in the sole plate 8 and which are preferably left slack to enable the guide 9 to slide transversely. Interposed in longitudinal gland slot 11 is a packing 12 of asbestos or the like (to prevent air leaks between the sole frame 8 and said guide 9). 0n the guide 9 is a removable wearing liner 13 retained in position by set bolts 14 in orifices 14A screw-v ing into the guide 9 from said liner 13. Counter balance weights l5 on one arm of a bell crank 16 having its fulcrum 17 on Ythe sole frame 8 and the other arm of which has a link 18 to a lug 19 on the guide 9 keeps said guide up to its work, such counter balance devices being provided at each end vof each section of the guides 9. A sealing liner 20 of asbestos tape or the like having a thin ilex-l ible steel backingor keeper 21 isbolted to the wearing liner 13.

The pallets 22 (the frame only is shown) have fast to or integral therewith on each side thereof a depending sealing invert 23 having a groove 24 therein for the sealing liner 20. The ends of the pallets 22 are rounded as indicated at 25 to allow close contact between the pallets as they travel around the discharge The weight of the pellets 22 is borne b wheels or rollers 26 which travel on rails out-side the wind box. The rails or one of them in a present preferred construction as .15 bottom face ofthe invert 23 by the keeper 21 and the suction of .any suitable fan tends to draw the liner upwardly into close contact with the pallet groove 24 and so the air draught created by `the fan is confined to 20 pass through the materials being sinteredin the pallets thus achieving a more effective sinteringthan heretofore. The clearance between the top of the guides 9 and the bottom of the pallet may be adjusted by inserting wedges or the like Ain the gland slot 11 to raise or lower.the guides, or such adjustment can be effected by raising or lowering pallet rails by like means.

g machines may be quickly cheaply modified to achieve the objects of this invention as far as the seal between the allet and the wind box. l In Fig. 4 the sole rame 8A is shown as usually constructed and on top thereof is a angedliner 29 retained in position by bolts and havin the sealing liner 20 and the keeper 21 bolte thereto. The pallet 22 has the edge 31 machined to provide a smooth working surface for the sealing liner the invert being grooved as indicated at 32.

Figure 5 of the drawings illustrates the use of spring means in lieu of and for the purpose of the counterbalance weights 15. .A bell crank lever 16 is fulcrumed as at 17 against .the sole frame 8 and has vertical and horizontal arms the former of which is connected bya link 18 with a lug 19' on the guide 9', and the latter of which has depending therefrom a rod 33 which extends loosel through -a bracket arm 34 carried b the ame 7 On the rod 33 below the bracket arm 34 is a suitable abutment such, for example, as a nut or nuts 35, `and between thisabutment and the under side of the bracket arm is disposed a compressed coil spring 15 which, by reaction from the bracket arm, tends constantly to urge the rod 33 downwardl thus to accomplish thesame purpose as t e wei hts 15.

Though the invention as been described as having for a sealing liner anl asbestos tape with a keeper plate it is to be clearly understood that the asbestos tape may be ydispensed with and that the keeper plate may be provided in the form of a thin spring andr steel strip adapted to directly contact the pallet inverts.

1. In an ore sintering machine,'a wind box,

a pallet rail at each side of the wind box, a

slider guide at each side ofthe wind box, a wheeled pallet mounted to travel on said pallet rails and having inverts slidably engaging said slider guides, and means providing for lateral'adjustment of at least one of said slider guides to maintain a close slid- ,the related invert thereby to maintain a close sliding engagement of the slider guides with the inverts.'

3. In an ore sintering machine as set forth in claim 1, a sealing liner carried by each slider guide and sealing against the pallet inverts, respectively.

4. In an ore sintering machine as set forth in claim 2, a sealin liner carried by each slider guide and seallng against the pallet inverts, respectively. 'I

5. In an ore sintering machine as set forth in claim 1, a sealing liner carried b each slider guide and sealingagainst the pa let inverts, respectively, and a metal keeper for `each sealing liner.

6. In an ore sintering machine as setforth in claim 2, a sealin liner carried by each slider guide and sealingagainst the pallet inverts., respectively, and a metal keeper for each sealing liner.

7. In an ore`sintering machine, a* wind box inclusive of a sole fame element at each side thereof, a pallet rail at each side of said wind box, a wheeled pallet mounted to travel on Vsaid rails, a slider guide carried by each sole frame element, the pallet having inverts slidably engaging said slider guides, at least one y of said slider guides being mounted on its related sole frame element for lateral adjustment with respect thereto into sliding engagement with the related pallet invert, means providing a gland slot between each sole frame element' `and the related slider guide, a packing in each slot, and sealing means carried by each slider guide sealing against the pallet inverts, respectively.

8. In an ore sintering machine, a wind box inclusive of a sole frame element at each side thereof, a pallet rail at each side of said wind box, a wheeled pallet mounted to travel on said rails, a slider guide carried by each sole frame element, the pallet having inverts slidably engaging said slider guides, at least one of said slider guides being mounted on its related sole frame element for lateral adjustment With respect thereto into sliding engagement with the related pallet invert, and means constantly tending to urge at least one of said slider guides outwardly in to engagement with the related pallet invert, said means comprising a lever connected with the slider guide and fulcrumed against the related sole frame element, and means constantly tending to swing said lever to urge the slider guide outwardly.n

In testimony whereof I have signed my name to this specification.

` D. N. MORISON. 

